public void InitializeEndpoints()
{
foreach (var action in _actions.ActionDescriptors.Items)
{
if (action.AttributeRouteInfo == null)
{
// Check each of the conventional templates to see if the action would be reachable
// If the action and template are compatible then create an endpoint with the
// area/controller/action parameter parts replaced with literals
//
// e.g. {controller}/{action} with HomeController.Index and HomeController.Login
// would result in endpoints:
// - Home/Index
// - Home/Login
foreach (var endpointInfo in ConventionalEndpointInfos)
{
var actionRouteValues = action.RouteValues;
var endpointTemplateSegments = endpointInfo.ParsedTemplate.Segments;
if (MatchRouteValue(action, endpointInfo, "Area") &&
MatchRouteValue(action, endpointInfo, "Controller") &&
MatchRouteValue(action, endpointInfo, "Action"))
{
var newEndpointTemplate = TemplateParser.Parse(endpointInfo.Template);
for (var i = 0; i < newEndpointTemplate.Segments.Count; i++)
{
// Check if the template can be shortened because the remaining parameters are optional
//
// e.g. Matching template {controller=Home}/{action=Index}/{id?} against HomeController.Index
// can resolve to the following endpoints:
// - /Home/Index/{id?}
// - /Home
// - /
if (UseDefaultValuePlusRemainingSegementsOptional(i, action, endpointInfo, newEndpointTemplate))
{
var subTemplate = RouteTemplateWriter.ToString(newEndpointTemplate.Segments.Take(i));
var subEndpoint = CreateEndpoint(action, subTemplate, 0, endpointInfo);
_endpoints.Add(subEndpoint);
}
var segment = newEndpointTemplate.Segments[i];
for (var j = 0; j < segment.Parts.Count; j++)
{
var part = segment.Parts[j];
if (part.IsParameter && IsMvcParameter(part.Name))
{
// Replace parameter with literal value
segment.Parts[j] = TemplatePart.CreateLiteral(action.RouteValues[part.Name]);
}
}
}
var newTemplate = RouteTemplateWriter.ToString(newEndpointTemplate.Segments);
var endpoint = CreateEndpoint(action, newTemplate, 0, endpointInfo);
_endpoints.Add(endpoint);
}
}
}
else
{
var endpoint = CreateEndpoint(action, action.AttributeRouteInfo.Template, action.AttributeRouteInfo.Order, action.AttributeRouteInfo);
_endpoints.Add(endpoint);
}
}
}
private List <Endpoint> CreateEndpoints()
{
List <Endpoint> endpoints = new List <Endpoint>();
foreach (var action in _actions.ActionDescriptors.Items)
{
if (action.AttributeRouteInfo == null)
{
// In traditional conventional routing setup, the routes defined by a user have a static order
// defined by how they are added into the list. We would like to maintain the same order when building
// up the endpoints too.
//
// Start with an order of '1' for conventional routes as attribute routes have a default order of '0'.
// This is for scenarios dealing with migrating existing Router based code to Endpoint Routing world.
var conventionalRouteOrder = 0;
// Check each of the conventional templates to see if the action would be reachable
// If the action and template are compatible then create an endpoint with the
// area/controller/action parameter parts replaced with literals
//
// e.g. {controller}/{action} with HomeController.Index and HomeController.Login
// would result in endpoints:
// - Home/Index
// - Home/Login
foreach (var endpointInfo in ConventionalEndpointInfos)
{
var actionRouteValues = action.RouteValues;
var endpointTemplateSegments = endpointInfo.ParsedTemplate.Segments;
if (MatchRouteValue(action, endpointInfo, "Area") &&
MatchRouteValue(action, endpointInfo, "Controller") &&
MatchRouteValue(action, endpointInfo, "Action"))
{
var newEndpointTemplate = TemplateParser.Parse(endpointInfo.Template);
for (var i = 0; i < newEndpointTemplate.Segments.Count; i++)
{
// Check if the template can be shortened because the remaining parameters are optional
//
// e.g. Matching template {controller=Home}/{action=Index}/{id?} against HomeController.Index
// can resolve to the following endpoints:
// - /Home/Index/{id?}
// - /Home
// - /
if (UseDefaultValuePlusRemainingSegementsOptional(i, action, endpointInfo, newEndpointTemplate))
{
var subTemplate = RouteTemplateWriter.ToString(newEndpointTemplate.Segments.Take(i));
var subEndpoint = CreateEndpoint(
action,
endpointInfo.Name,
subTemplate,
endpointInfo.Defaults,
++conventionalRouteOrder,
endpointInfo,
suppressLinkGeneration: false);
endpoints.Add(subEndpoint);
}
var segment = newEndpointTemplate.Segments[i];
for (var j = 0; j < segment.Parts.Count; j++)
{
var part = segment.Parts[j];
if (part.IsParameter && IsMvcParameter(part.Name))
{
// Replace parameter with literal value
segment.Parts[j] = TemplatePart.CreateLiteral(action.RouteValues[part.Name]);
}
}
}
var newTemplate = RouteTemplateWriter.ToString(newEndpointTemplate.Segments);
var endpoint = CreateEndpoint(
action,
endpointInfo.Name,
newTemplate,
endpointInfo.Defaults,
++conventionalRouteOrder,
endpointInfo,
suppressLinkGeneration: false);
endpoints.Add(endpoint);
}
}
}
else
{
var endpoint = CreateEndpoint(
action,
action.AttributeRouteInfo.Name,
action.AttributeRouteInfo.Template,
nonInlineDefaults: null,
action.AttributeRouteInfo.Order,
action.AttributeRouteInfo,
suppressLinkGeneration: action.AttributeRouteInfo.SuppressLinkGeneration);
endpoints.Add(endpoint);
}
}
return(endpoints);
}
